Coil transfer means



'July 16. l940 L. w. NASH Er A1. 2,207,893

COIL TRANSFER MEANS Filed July 26, 1958 .3 Sheets-Sheet l EN- -l5 uw Nm.mw n INVENT'R BY *Je ToRNEs.

. July 16, 1940- l.. w. NASH Erm. 2,207,893

con. TRANSFER MEANS Filed July 2s, i958 :s sheets-sheet 2 L. W. NASH ETAL con. TRANSFER MEANS Filed July 26; 1938 July 16', 1940.

5 Sheets-Sheet 3 Aling baths.

Patented July 16, 1940 PATENT OFFICE COIL TRANSFER MEANS Leonard W.Nash, Damascus, and George A. Martin, Salem, Ohio, assignors to E. W.Bliss Company, Brooklyn, N. Y., a corporation of Delaware ApplicationJuly 26, 1938,4 Serial No. 221,308

8 Claims.

The present invention relates to coil transfer means and moreparticularly to such means for transferring coils of strip material froma coiler to a conveyor for storage or presentation to pick- The primaryobject of the invention is to provide such means for efllcientlytransferring coils of strip material from a coiler to a conveyor in endup relation. A ,further object is to accomplish such transfer withoutdanger of damaging the edges of the coil. A further object is to providesuch transfer means which will handle with equal facility coils ofdifferent widths and of, different diameters within relatively widelimits. A further `object is to provide such means which include aconveyor disposed at substantially a right angle to the coiler, i. e.,one which runs in a direction parallel to the direction oftravel of thestrip material from the mill to the coiler.

According to the present invention the foregoingv objects are realizedby providing a coil transfer means which comprises a coil receivingcradle or up-ender mounted on a turntable disposed adjacent the coiler,said cradle being further mounted to be tilted through an arc to ftransfer the coil from a substantially horizontal position in which itis received, to a vertical or end up positionin which it is depositedupon a conveyor. The cradle is formed with arms to straddle theparallelly disposed carrier elements of the conveyor so that the coilcan be deposited on said elements without danger of damaging, the

edges of the coil. The invention further resides in the novelconstruction and combination of parts, which will be better understoodfrom the detailed description which follows when considered inconjunction with the accompanying drawings, wherein:

Figure 1 is a side elevation of coil transfer means embodying ourinvention.-

Fig. 2 is a top plan view of the transfer means shown in Fig. 1.

Fig. 3 is a front sectional elevation of the coil transfer means takensubstantially along the broken line 3-3 of Fig. 1.

Fig. 4 is a section taken substantially along the plane of the line 4-4of Fig. 3.

Referring to the drawings, the coil transfer means may be said toconsist essentially of the a rotatable shaft I5. The stationary unitalso includes a support or rest member I6, the function for which willbe presently made apparent.

Mounted on the base I0 is an electric motor I1, the shaft of which iscoupled to a driving shaft I8 through a suitable coupling I9. Mounted onand rotatable with the shaft I8 is'a worm 20 which is in mesh with aWorm wheel 2l mounted on a secondary shaft 22. The secondary shaft alsohas mounted thereon a worm 23 which is in mesh with a worm wheel sector24 fixedly mounted upon the shaft I5. The worm wheel sector 24 has aperiphery slightly greater than a quadrant of a circle, and when rotatedby the worm 23 is adapted to rotate the shaft I5 and with ittheturntable through an arc of approximately The turntable, which iscarried by the shaft I5 through the agency of the hanger brackets 25 and26, comprises a housing 21 having an upright standard 28 which carries alateral bracket 28 upon which is mounted an electric motor 30. Theelectric motor 30 is coupled to a driving shaft 3| by Ya coupling 32,the shaft 3l having mounted thereon a miter gear 33 in mesh with n ed torotate the square shaft 38 through an arc of somewhat greater than 90.Rotation of shaft 38 functions to tilt the up-ender, which will now bedescribed.

'I'he up-ender comprises a table 40 which is rigidly mounted on theshaft 38, the said table at one edge thereof which is parallel to theshaft 38 being formed with spaced lugs 4I, 42 and 43,

the lugs 4I and 43 being bifurcated and all of said lugs being formedwith aligned openings through which stub shafts 44, 45 and 46, extend.Mounted in overlying relation to the table 40 and connected theretothrough the stub shafts 44, 45 and 46, is a cradle member 4l, the topsurface of the base of which is of concave form, as indicated at 48. Atone end the cradle member has three spaced arms 49, 50 and 5I, whichextend upwardly substantially'at right angles to the base, the ends ofsaid arms adjacent the table being complementally formed with respect tothe lugs 4I, 42 and 43, respectively, and have extendings, the lugs 4I.,42 and 43, are fixedly mounted' respectively. As indicated' in Fig. 3 ofthe drawby -set .screws to engage their respective stub shafts which arethereby' caused to move with the lugs vas the table is tilted, and tocarry with them the cradle 41. For reducing the over all weight of theparts carried by the turntable the various parts described are formedeither of reinforced web or hollow web construction.

The coil transfer means as a whole is disposed laterally adjacent thecoiler of a strip mill, the mandrel 52 of which is shown in Fig. 1 withthe cancaved base 48 of the cradle normally disposed in alignment Ywiththe mandrel somewhat below the latter to receive a coil of stripmaterial when axially discharged from the coiler. To facilitate thereception of such coil upon its discharge, the free end of the cradle,that is, the end lying parallel to the end of the coiler, is tapereddownwardly as indicated at 53. Where a coil of relatively small diameteris to be received upon the coil transfer means a supplemental basemember such as 54 may be mounted on the concave surface of the cradle sothat the drop of the coil upon its discharge will not be more thannecessary. The length of the cradle is such as to accommodate any widthof coll capable of being wound by the coiler.

Disposed in spaced relation substantial distance below the vaxis thereofand extending at substantially a right angle to said axis is a conveyor55 of any approved type which is adapted to receive the coils from theup-ender in end up position and transport said coils to a place ofstorage or directly to the pickling baths for treatment. Preferably theconveyoris of the chain or link belt type and comprises a plurality ofparallelly-disposed carriers movable in a common plane and adapted tosupport the coils in end upposition. As herein shown, the conveyorconsists of two parallel lines of movable carriers spaced apart adistance less than the diameter of the coils to be transported thereby.For cooperation with the conveyor, the arms 49, 50 and 5|, constitutingthe end wall of the cradle, are so spaced apart and dimensioned as tostraddle the parallel lines of the movable carrier and seat below thesurfaces thereof when the upender is tilted to deposit a coil upon theconveyor. The relative positions of the end arms 49, 50 and 5|, withrespect to the conveyor elements 55 are illustrated in broken lines inFigs. 1 and 2 of the drawings.

'I'he coils adapted to be transferred by the means herein disclosed arerelatively heavy, and to absorb the shock of the impact of a coil uponbeing discharged onto the cradle, is taken up by shock absorbing orcushioning means 55', which, as herein shown, consists of a heavy coilspring or springs mounted upon a rod 56 supported on the under side ofthe cradle preferably along the center line thereof and extendingthrough an opening in the table 40, thev under` side of which providesone abutment for the spring and the other abutment being provided by aflangel on adjustable nut 51. The turntable, upon reaching the limits ofits movements, engages stops or abutments; and.v to cushion the impactswith these stops, suitable veyor with respect to themandrel, and themeans I 59 v'being mountedl on the supporto;-'rest'inemf 4 ber I6. Theup-'ender in its movementsfabout'i- .its pivot also is vsubjecttojimpact. :the'shockof which is cushioned'by shock absorbing means' tothe coilerv a shock-absorbing means are provided, as shown at 58 and59.'

6I as the upender is moved 'downwardly into coil discharging position,and' byy shock absorbing means 62v as the up-ender is returned toitsinitial position. I

In the operation o f the coil transfer means the parts will normally bein the relation shown alignment with, but below, the axis of the coiler.

l0. in Fig. 1 with the cradle of the up-ender inv i'.

Upon a coil of strip material 63 being discharged from the mandrel 52it. will be received upon the cradle of the up-ender'and the shock ofits rel ception will be borne by the shock absorbing means 55'. Theelectric motor I1 lis then operated to rotate the shaft I5, and with itthe turntable, to bring the up-ender into overlying relation to theconveyor 55. When this'position is attained, the motor is automaticallystopped and the motor 30 is then operated to tiltthe upender about itspivot shaft 3 8. As this pivoting takes place toA tilt the upfender, themovable carriers of the conveyor are temporarily stopped and the coil 63is deposited in end up relation' is then set in motion to carry the coilYout of the path of the up-ender, which is thereupon tiltedl back to itsformer position and the turntable rotated to its initial position. l

From the foregoing detailed description it will be apparent that ourinvention is adapted to accomplish` the various objects recited in the4opening statement of this specification, and although we have shown anddescribed a specific embodiment of our invention which has provenpracticable, it is to be understood that changes in the constructionalfeatures disclosed may be resorted to within the range of engineeringskill without departing from the spirit of the invention.

What we claim is: 1. In combination, a coiler, a coil transfer meansadjacent the coiler adapted to receive a coil of strip material upon itsdischarge from the n l coiler and a travelling conveyor below the coilermovable atv substantially a right angle to the axis of the coiler, saidcoil transfer means comprising a normally substantially horizontally disposed cradle for receiving a coil on its side upon discharge of the coilfrom the coiler, said cradle being disposed above the conveyor and.being tiltable to discharge a coil in end-up position upon theconveyor.

2. In combination, a lcoiler, a coil transfer means adjacent the coileradapted to receive a coil of strip material upon its discharge from thecoiler and a travelling conveyor vlaterally'spaced from and below thecoiler and movable at substantially a right angle to the axis of thecoiler,

`said coil transfer means being disposed between the coiler and thelconveyor and comprising a turntable having a normally substantiallyhorizontally disposed cradle for receiving a coil on its sideupondischarge of the coil from the coiler, said cradle being mounted fortilting" about a horizontal axis, means for rotating the turntable torbring the cradle into overlying relation to the conveyor and means forvtilting the cradle to 'transfer a coil onto the conveyor in end-upposition.

3. Coil transfer means comprising a stationary unit having a verticalshaft supported thereby, a rotatable unit mounted to rotate about theaxis of said shaft, a tilting unit mounted on a shaft canied by therotatable unit and disposed in a plane which is normal to the axis ofthe vertical shaft, means for rotating the rotatable unit about the axisof the vertical shaft through an arc of approximately 90, means fortilting the tiltable unit about its shaft through an arc ofapproximately 90 and resilient means for cushioning the impact of saidtiltable unit as it reaches the limits of its movements.

4. Coil transfer means comprising a stationary unit having a verticalshaft supported thereby, a rotatable unit mounted to rotate about theaxis of said shaft, a tilting unit mounted on a shaft carried by therotatable unit and disposedin a planey which is normal to the axis ofthe vertical shaft, means for rotating the rotatable unit about the axisof the vertical shaft through anarc of approximately 90, means fortilting the tiltable unit about its shaft through an arc ofapproximately 90, and resilient means for cushioning the impact of saidmovable units as they reach the limits of their respective movements.

5. Coil transfer means including an up-ender comprising a rotatableshaft, a table xedly mounted on said shaft, and a cradle connected tosaid table along one edge thereof, said cradle having a concave seatoverlying the table and an end wall substantially perpendicular to thetop of the table.

7. Coil transfer means including an up-ender comprising a rotatableshaft, a table flxedly mounted on said shaft and having a plurality ofspaced lugs projecting from one edge thereof, and a cradle overlying thetable and being connected thereto at the lugs thereof, andresilientmeans between the table and cradle for cushioning the impactupon the latter when a coil is received l on the cradle.

8. Coil transfer means including an up-ender comprising a rotatableshaft, a table xedly mounted on said shaft and having a plurality ofspaced lugs projecting from one edge thereof, and a cradle overlying thetable and having an `end wall formed as projecting arms, the endsthereof adjacent the table being connected thereto at the lugs thereof.

LEONARD W. NASH. GEORGE A. MARTIN.

